Welcome to Mohr and Associates!

For more than 25 years, we've provided our customers with innovative sensor technologies and dependable engineering consulting expertise. Some of our products and services are described below. Please don't hesitate to contact us for more information.

Featured Product


CT100 and CT100HF Automated Metallic TDR Cable Testers

The CT100 Series Automated Metallic TDR (Time-Domain Reflectometer) Cable Testers are the best choice for detecting and localizing defects in all modern microwave/RF and digital transmission lines and interconnects. They are the only commercially-available TDRs that exceed all TDR performance specifications of the popular Tektronix® 1502C TDR, while also providing modern improvements in trace analysis, data storage, connectivity, and ergonomics.



TDR Specifications

  • 60 ps risetime (20-80%, CT100HF)
  • > 8.3 GHz test bandwidth (CT100HF)
  • 500 Hz framerate for transient faults
  • 75 µm (0.003 in) cursor resolution
  • 16-bit impedance measurements

Key Features

  • Rugged, lightweight, portable
  • Bright color screen, long battery life
  • 2+ GB internal memory
  • USB, 10/100 Ethernet PC connectivity
  • USB keyboard, thumbdrive, barcode reader

Latest News -- Newsroom


Mohr Adds Internet Streaming, Remote Control and Video Capture to Microwave/RF TDR Cable Testers

Mohr and Associates today introduced software upgrades for their CT100 Series Time-Domain Reflectometer (TDR) cable testers and bundled CT Viewer (tm) TDR analysis software that add real-time Internet streaming and remote control for leverage of remote engineering expertise. The upgrades also allow CT Viewer to remotely capture TDR data in an AVI video file at more than 250 waveforms per second for later analysis of transient impedances.



Real-Time Network Streaming and Remote Control

The software upgrades let CT100 Series TDRs stream data to and be controlled remotely by CT Viewer(tm) in real-time over a LAN/WAN or the Internet, eliminating distance as a factor for organizations that could benefit from improved engineering oversight. Principal Engineer Charles Mohr says, "Engineering expertise may not always be where you need it....

Read the remainder of the release here.

Selected Products and Services


EFP Series Guided Microwave/Ultrawideband Radar Liquid Level, Void Fraction, Moisture, and Mixture Sensors

EFP Series Guided Ultra-Wideband (UWB) Radar

  • Precision liquid level, void fraction, moisture, and mixture constituent sensors.
  • Best performance in the industry.
  • Accurate even in boiling / frothing environments.
  • Long life at high temperatures and pressures.
MDT Agricultural Penetrometer and Texture Analyzer

MDT Series Automated Materials Testers

  • Fruit penetrometers and texture analyzers give accurate, repeatable results.
  • Saves 50% or more of the time you spend testing and generates automated reports.
  • Also use for general materials testing.
Nuclear Engineering and Criticality Safety Consulting

Nuclear Criticality Safety and Nuclear Engineering

  • An experienced team of nuclear experts is here to help your organization.
  • Let us design and verify your critically safe processes and specialized rad-waste instrumentation.
  • All the latest radiation transport codes are up and running.
  • Modern computing facilities minimize turn-around time.